Observable.TakeUntil(Of TSource, TOther) Method

Returns the values from the source observable sequence until the other observable sequence produces a value.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive (in System.Reactive.dll)

<ExtensionAttribute> _
Public Shared Function TakeUntil(Of TSource, TOther) ( _
	source As IObservable(Of TSource), _
	other As IObservable(Of TOther) _
) As IObservable(Of TSource)
Dim source As IObservable(Of TSource)
Dim other As IObservable(Of TOther)
Dim returnValue As IObservable(Of TSource)

returnValue = source.TakeUntil(other)

Type Parameters


The type of source.


The other type.


Type: System.IObservable(Of TSource)
The source sequence to propagate elements for.
Type: System.IObservable(Of TOther)
The observable sequence that terminates propagation of elements of the source sequence.

Return Value

Type: System.IObservable(Of TSource)
An observable sequence containing the elements of the source sequence up to the point the other sequence interrupted further propagation.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable(Of TSource). When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.